Work-holder



H. W. MELLING.

WO'RK HOLDER. APPLICATION FILED mmrzs. 1920.

1,384,079, Patented July 12;1921.

l4 n 4 II amm lder/mm W Mel/mg aucmqb UNITED. STATES A ENT. FKF

A HERMAN w.;mELL1Ne, or JACKSON, MIC IGAN. a V

' j WORK-HOLDER.

1 Application filed May 29,

T all whom it may concern:

structural details will definitely appear portion of the top or bedmember Be. it known that I, HERMAN MELLING, a citizen; of the UnitedStates, residing. at Jackson, countyof Jackson, State of Michian, haveinvented certain new and useful Improvements in ."Work-Holder's, of.which the following is a specification.

This invention relates to improvements in work holders.

The main objects of this invention are: First, to provide an 1; improvedworkholder for. lathes and the like which may be. readily adjusted. tosupportthe workinthe desired position. V, 1

.SGCOIId, to provide an improved? work holder. or support of the class.described which is very secure-andrigid when adjusted and may be made inlarge sizes for the support-of heavy work and at the same time is easilyand quickly adjusted.

Further objects, and ob ectswrelating to from the detailed descriptionto follow.

I accomplish the objects of my invent1on bylthe devices and meansdescribed the following specification. {[he invention s" clearly definedand pointed out in. the claims. i

A structure Wl11Ch 1S a preferred embodiment of my invention is clearlyillustrated in the accompanying drawing forming a part of thisspecification, in which;-'

Figure I is aside viewiof my-improved work holder shown in full lineswith the bed in horizontalposition and by dotted lines adjusted to anangular or inclined position, being broken away to show details.

Fig. II; is a vertlcal central section on a line corresponding to line2-2 of Fig. III.

Fig. III is a horizontal section on a line corresponding to line 3-3 ofFigspI, II andIV.

Fig. IV is a vertical section on a line corresponding to line 41 of Fig.III, parts hein broken away to show structural details.

11 the drawing similar reference characters refer to similar partsthroughout the several views, and the sectional views are taken lookingin the direction of the little arrows at the ends of the section'lineslReferring to the, drawing, I provide abase member 1 adapted to bemounted on the carriage of a lathe or like machine, a top memberfor bedmember 2 adapted to receive the work and provided with grooves 3 for thework thereon 1920. Serial no; 385,308.

work clamping bolts, and an intermediate mediate member.

The base has an annular bearing face" 5 on its upper end while theintermediatei member has a coactlng'annular bearingfacef 6. Thesebearing faces of the baseand in'- termediate member are oblique or}inclined to the .axis of rotation of the intermediate;

f Pajtented duly member. The top member has an annular? bearing face'7on 'its under side while the lgottogn member has a coacting bearing acee The inner edges of the bearing faces of the top and bottom membersareinwardly beveled to providc'internal bearing mem -j 1-7 5 of theintermediate member coact. l The" hers-9 with which the bearing segments10 clamping members 11 are mounted on. the

inner side of the intermediate member 4, the j clamping bolts 12 being;arranged ,throu h" the intermediate] member to receive t "ec1ampingnuts13 on the outer ends thereof The clamping yokes have beveledeng g ing lugs 14 which coact with the internal beveled bearingsurfaces?) so that when the clamplngmembers are drawn up," the ;supjportmembers are drawn together clamping them intheir adjustedlposition.Thbblts; 12 carry p1ns15'engagingslots 16 in the,

bosses 17 to limit the releasing movement of the parts sothat while'they maybefreely:

adjusted when the nuts are released, they do not fall out or allow toomuchplay between the parts when loosened, To facilitate: adjustment, Iprovide stop screws; 18

which are arranged through the memberl f .to

engagethe clamping members near the ends thereofw The support membersare pro-" f 'vlded with'a scale 19having suitable indicia 1 thereon toindicate angles, whichmay be simple or compound relative to thetool,thatl ioo is, the table may be adjusted so'that t'he angle.

may be tilted e desired In adjusting, the clamping bolt 12 may beloosened and the intermediate member," for instance, adjusted to thedesired position. I The bottom-stop screw is then adjusted "toinoperative position and the top stop screw adjusted to prevent clampingengagement of the clamping member with the top member. The clamps arethen tightened to hold the intermediate member in its adjusted posi-

